نتایج جستجو برای: leaf numbers

تعداد نتایج: 280627  

Journal: :علوم گیاهان زراعی ایران 0
علی اکبر قنبری استادیار، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج سید حسن موسوی محقق، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج اشکان عباسیان محقق، مؤسسۀ تحقیقات ثبت و گواهی بذر و نهال، کرج ساسان کشاورز محقق، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج

some of the morpho-physiological characteristics related to the leaf growth and development of phaseolus vulgaris l. genotypes have been studied in the field conditions at the seed and plant improvement institute (spii). the study was performed as split plot experiment in a randomized complete block design with four replications in well-watered and water deficit conditions with eight genotypes ...

Journal: :Europan journal of science and technology 2021

In this study, S. nigra L. and ebulus (Adoxaceae) species belonging to the Sambucus genus were examined. Species of collected from northern Turkey anatomical comparisons made. Stem leaf anatomy examined by light microscopy. The plants have woody stem anatomy. druse crystals which are main characters observed in taxa. Differences found number cells vascular bundles, arrangement druze crystals, s...

درویش زاده, رضا, برنوسی, ایرج, جلیلیان, جلال, حاتمی ملکی, حمید, رحیمی, مهدی, عیوض نژاد حافظ, نادر, مقدم, محمد, هادی, هاشم,

The first step of breeding programs and crops improvement are assess the genetic diversity and depends on germplasm availability and efficient utilization of their.This study was conducted to evaluate genetic variations among 70 sunflower recombinant inbred lines (RILs) obtained from the cross between PAC2  RHA266 based on the morphological traits by using a rectangular lattice design with two...

2016
T. Duan S.C. Chapman E. Holland G.J. Rebetzke Y. Guo B. Zheng

Early vigour is an important physiological trait to improve establishment, water-use efficiency, and grain yield for wheat. Phenotyping large numbers of lines is challenging due to the fast growth and development of wheat seedlings. Here we developed a new photo-based workflow to monitor dynamically the growth and development of the wheat canopy of two wheat lines with a contrasting early vigou...

2017
Naser Bader AlKhalifah

Since the 1950’s, the average maize grain yield, on a per unit area basis, has risen exponentially and without a pause. Associated with this increase have been changes in shoot morphology which permit more light penetration into the canopy. Changes in plant traits including plant height, leaf number, individual leaf area, vertical leaf angle, tassel size and weight, and leaf area density distri...

2017
Alana Sharp Richael O'Hagan Brian Honermann Gregorio Millett

BACKGROUND National Strategic Plans (NSPs) for HIV have become foundational documents that frame responses to HIV. Both Global Fund and PEPFAR require coordination with NSPs as a component of their operations. Despite the role of NSPs in country planning, no rigorous assessment of NSP targets and performance outcomes exists. We performed a quantitative analysis of the quality of NSP indicators ...

Christopher O Anjili Johnstone Ingonga Joshua M Mutiso Linet T Laban Mgala M Ngedzo Michael M Gicheru, Samuel G Kiige

Objective(s):Solanum acueastrum Dunal.has been shown to have some chemotherapeutic value. Leaf and berry water and methanol compounds of S. acueastrum were evaluated for possible antileishmanial activity In vivo on BALB/c mice and in vitro against Leishmania major promastigotes, amastigotes and vero cells.  Materials and Methods: Dry S. aculeastrum berry and leaf material were extracted in meth...

Journal: :Development 1999
J Mattsson Z R Sung T Berleth

To assess the role of auxin flows in plant vascular patterning, the development of vascular systems under conditions of inhibited auxin transport was analyzed. In Arabidopsis, nearly identical responses evoked by three auxin transport inhibitor substances revealed an enormous plasticity of the vascular pattern and suggest an involvement of auxin flows in determining the sites of vascular differ...

Journal: :Phytochemical analysis : PCA 2002
Qiaomei Wang C Douglas Grubb Steffen Abel

Natural isothiocyanates, produced during plant tissue damage from methionine-derived glucosinolates, are potent inducers of mammalian phase 2 detoxification enzymes such as quinone reductase (QR). A greatly simplified bioassay for glucosinolates based on induction and colorimetric detection of QR activity in murine hepatoma cells is described. It is demonstrated that excised leaf disks of Arabi...

2017
Kumud Saini Marios N. Markakis Malgorzata Zdanio Daria M. Balcerowicz Tom Beeckman Lieven De Veylder Els Prinsen Gerrit T. S. Beemster Kris Vissenberg

In plants many developmental processes are regulated by auxin and its directional transport. PINOID (PID) kinase helps to regulate this transport by influencing polar recruitment of PIN efflux proteins on the cellular membranes. We investigated how altered auxin levels affect leaf growth in Arabidopsis thaliana. Arabidopsis mutants and transgenic plants with altered PID expression levels were u...

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